Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Walker, John F."'
Autor:
Walker, John F.
Diversity of ectotrophic mycorrhizal (EM) fungi on out-planted seedlings of two oak species (Quercus rubra and Q. prinus) was estimated at two sites in mature mixed forests in the southern Appalachian mountains. Late – stage fungi were well represe
Externí odkaz:
http://hdl.handle.net/10919/11268
http://scholar.lib.vt.edu/theses/available/etd-04242003-123416
http://scholar.lib.vt.edu/theses/available/etd-04242003-123416
Autor:
Walker, John F.
Thickets of Rhododendron maximum (Rm) in the southern Appalachians impose severe limitations on the regeneration of hardwood and coniferous seedlings. Interactions between Rm thickets and ectomycorrhizal colonization were examined to explain seedling
Externí odkaz:
http://hdl.handle.net/10919/46489
http://scholar.lib.vt.edu/theses/available/etd-42198-15118/
http://scholar.lib.vt.edu/theses/available/etd-42198-15118/
Autor:
Walker, John F.
Thesis (Ph. D.)--University of Wisconsin--Madison, 1985.
Typescript. Vita. Description based on print version record. Includes bibliographical references (leaves 93-95).
Typescript. Vita. Description based on print version record. Includes bibliographical references (leaves 93-95).
Externí odkaz:
http://catalog.hathitrust.org/api/volumes/oclc/12714323.html
Autor:
Walker, John F.
Thesis (M.S.)--University of Wisconsin--Madison, 1981.
Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 55-56).
Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 55-56).
Externí odkaz:
http://catalog.hathitrust.org/api/volumes/oclc/8565629.html
Autor:
Walker, John F.
Thesis (Ph. D.)--Princeton University, 1924.
At head of title: Canada. Department of mines ... Geological survey ... Published also as Canada. Geological survey. Memoir 148. no. 129, Geological series. Bibliography: p. 2.
At head of title: Canada. Department of mines ... Geological survey ... Published also as Canada. Geological survey. Memoir 148. no. 129, Geological series. Bibliography: p. 2.
Externí odkaz:
http://books.google.com/books?id=N__NAAAAMAAJ
Autor:
Walker, John F.
Thesis (Ph. D.)--Princeton University, 1924.
At head of title: Canada. Department of mines ... Geological survey ... Published also as Canada. Geological survey. Memoir 148. no. 129, Geological series. Bibliography: p. 2.
At head of title: Canada. Department of mines ... Geological survey ... Published also as Canada. Geological survey. Memoir 148. no. 129, Geological series. Bibliography: p. 2.
Externí odkaz:
http://catalog.hathitrust.org/api/volumes/oclc/1493870.html